diff --git a/apps/web-tanstack/package.json b/apps/web-tanstack/package.json
index 1765322..d1d9cc8 100644
--- a/apps/web-tanstack/package.json
+++ b/apps/web-tanstack/package.json
@@ -79,6 +79,6 @@
     "tailwindcss": "^4.1.18",
     "typescript": "^5.7.2",
     "vite": "^7.3.1",
-    "vite-tsconfig-paths": "^5.1.4"
+    "vite-tsconfig-paths": "^6.1.1"
   }
 }
diff --git a/package.json b/package.json
index 59bc0c9..e9e32b9 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
     "setup:env": "bash scripts/setup-dev-env.sh",
     "setup:agent-auth": "bash scripts/setup-dev-agent-auth.sh",
     "setup:worktree:auto": "bash scripts/run-worktree-automation.sh",
-    "build": "cd apps/web-tanstack && bun run build && cd ../.. && bun run check:bundle-metrics",
+    "build": "bun run build:workspace:core && cd apps/web-tanstack && bun run build && cd ../.. && bun run check:bundle-metrics",
+    "build:workspace:core": "bun run --filter @lunchtable/engine build",
     "build:web:tanstack": "cd apps/web-tanstack && bun run build",
     "dev": "concurrently -n convex,web -c blue,magenta \"bun run dev:convex\" \"bun run dev:web\"",
     "dev:tanstack": "concurrently -n convex,web-ts -c blue,cyan \"bun run dev:convex\" \"bun run dev:web:tanstack\"",
diff --git a/packages/engine/package.json b/packages/engine/package.json
index f12d1cc..9d84cf2 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -5,14 +5,17 @@
   "type": "module",
   "exports": {
     ".": {
+      "@convex-dev/component-source": "./src/index.ts",
       "types": "./dist/index.d.ts",
       "import": "./dist/index.js"
     },
     "./types": {
+      "@convex-dev/component-source": "./src/types/index.ts",
       "types": "./dist/types/index.d.ts",
       "import": "./dist/types/index.js"
     },
     "./rules": {
+      "@convex-dev/component-source": "./src/rules/index.ts",
       "types": "./dist/rules/index.d.ts",
       "import": "./dist/rules/index.js"
     }
diff --git a/scripts/test-package-exports.mjs b/scripts/test-package-exports.mjs
index a41c686..f9e7b87 100644
--- a/scripts/test-package-exports.mjs
+++ b/scripts/test-package-exports.mjs
@@ -29,14 +29,17 @@ const PACKAGES = [
     dir: join(PACKAGES_DIR, "engine"),
     exports: {
       ".": {
+        "@convex-dev/component-source": "./src/index.ts",
         import: "./dist/index.js",
         types: "./dist/index.d.ts",
       },
       "./types": {
+        "@convex-dev/component-source": "./src/types/index.ts",
         import: "./dist/types/index.js",
         types: "./dist/types/index.d.ts",
       },
       "./rules": {
+        "@convex-dev/component-source": "./src/rules/index.ts",
         import: "./dist/rules/index.js",
         types: "./dist/rules/index.d.ts",
       },